Chudeng
⏳Price
$18.47
5pcs High Purity 99.9% Pure Zinc Zn Sheet Plate Metal Foil 100x100x0.2mm for Science Lab
★★★★★
$18.47
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1
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About this item
- Zinc is a bluish-white metal. A density of 7.14 g / cc, a melting point of 419.5 °C. At room temperature, brittle; 100 ~ 150 °C,become softened; exceed 200 °C, they become brittle.
- The chemical properties of zinc are active. In the air at room temperature, a thin and dense basic zinc carbonate film is formed on the surface to prevent further oxidation. When the temperature reaches 225°C, zinc oxidation is intense. When it burns, it emits a blue-green flame.
- It is apply for the materials of instrument parts and instrument shells and coins. At the same time, zinc itself and other metals will not cause sparks, so it is fit for underground explosion-proof equipment. It is widely used in rubber, paint, enamel, medicine, printing, fiber and other industries.
- Atomic radius (calc) 135 (142) pm; Covalent radius 131 pm; Van der Waals radius 139 pm
- Content (ppm):<br/>The content of elements in the sun: 2<br/>Content elements in seawater: 0.00005 (trace elements) <br/>Content of the crust: 75 (trace elements) <br/>Crystal structure: Hexagonal<br/>Extranuclear atomic arrangement: 2,8,18,2<br/>Nuclear charge: 30
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10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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